class.ilObjBibliographicAccess.php

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<?php

/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/Object/classes/class.ilObjectAccess.php");
require_once('./Modules/Bibliographic/classes/class.ilObjBibliographicGUI.php');

class ilObjBibliographicAccess extends ilObjectAccess {

        public static function _getCommands() {
                $commands = array
                (
                        array( "permission" => "read", "cmd" => "render", "lang_var" => "show", "default" => true ),
                        array( "permission" => "write", "cmd" => "view", "lang_var" => "edit_content" ),
                        array( "permission" => "write", "cmd" => "edit", "lang_var" => "settings" )
                );

                return $commands;
        }


        public static function _checkGoto($a_target) {
                global $DIC;
                $ilAccess = $DIC['ilAccess'];
                $lng = $DIC['lng'];
                $t_arr = explode('_', $a_target);
                if ($t_arr[0] != 'bibl' || ((int)$t_arr[1]) <= 0) {
                        return false;
                }
                if ($ilAccess->checkAccess('read', '', $t_arr[1])) {
                        return true;
                }

                return false;
        }


        public function _checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id = "") {
                global $DIC;
                $ilUser = $DIC['ilUser'];
                $lng = $DIC['lng'];
                $rbacsystem = $DIC['rbacsystem'];
                $ilAccess = $DIC['ilAccess'];
                if ($a_user_id == "") {
                        $a_user_id = $ilUser->getId();
                }

                if (isset($_GET[ilObjBibliographicGUI::P_ENTRY_ID])) {
                        if (!self::checkEntryIdMatch($a_obj_id, $_GET[ilObjBibliographicGUI::P_ENTRY_ID])) {
                                return false;
                        }
                }

                switch ($a_cmd) {
                        case "view":
                                if (! self::_lookupOnline($a_obj_id)
                                        && ! $rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id)
                                ) {
                                        $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));

                                        return false;
                                }
                                break;
                        // for permission query feature
                        case "infoScreen":
                                if (! self::_lookupOnline($a_obj_id)) {
                                        $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));
                                } else {
                                        $ilAccess->addInfoItem(IL_STATUS_MESSAGE, $lng->txt("online"));
                                }
                                break;
                }
                switch ($a_permission) {
                        case "read":
                        case "visible":
                                if (! self::_lookupOnline($a_obj_id)
                                        && (! $rbacsystem->checkAccessOfUser($a_user_id, 'write', $a_ref_id))
                                ) {
                                        $ilAccess->addInfoItem(IL_NO_OBJECT_ACCESS, $lng->txt("offline"));

                                        return false;
                                }
                                break;
                }

                return true;
        }


        private static function checkEntryIdMatch($obj_id, $entry_id) {
                return ilBibliographicEntry::exists($entry_id, $obj_id);
        }


        public static function _lookupOnline($a_id) {
                global $DIC;
                $ilDB = $DIC['ilDB'];
                $q = "SELECT is_online FROM il_bibl_data WHERE id = " .
                        $ilDB->quote($a_id, "integer");
                $bibl_set = $ilDB->query($q);
                $bibl_rec = $ilDB->fetchAssoc($bibl_set);

                return $bibl_rec["is_online"];
        }
}

?>